High-pressure API 6A gate valve stem seals Singapore feature multi-stage chevron packing with anti-extrusion rings for reliable low-friction operation. Designed for slab and expanding gate valves, they maintain integrity during frequent cycling and thermal fluctuations. Singapore operators in upstream production trust these seals for fire-safe performance per API 6FA, reduced fugitive... https://globalsealstech.com/product-category/oil-gas-seals/api-6a-gate-valve-seals/